Chard and Sweet Corn Gratin

Chard and Sweet Corn Gratin
Andrew Scrivani for The New York Times
Total Time
1 hour
Rating
5(1,567)
Notes
Read community notes

This is the template that I use for most of my main-dish vegetable gratins. I like gratins hot, warm or at room temperature. I fold the aromatic vegetable filling into a mixture of eggs beaten with milk, salt, pepper and cheese, usually Gruyère, and then add rice or, in this case, corn.

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Ingredients

Yield:6 servings
  • Extra-virgin olive oil
  • 1generous bunch (¾ to 1 pound) Swiss or rainbow chard, stemmed and washed
  • Salt
  • 2large garlic cloves, minced
  • 1teaspoon chopped fresh rosemary
  • 1teaspoon fresh thyme leaves
  • Black pepper
  • 3eggs
  • ½cup milk
  • 2 to 3ounces Gruyère, grated (½ to ¾ cup), to taste
  • Kernels from 2 cooked ears sweet corn (1½ to 2 cups)
  • 1ounce Parmesan, grated (¼ cup)
Ingredient Substitution Guide
Nutritional analysis per serving (6 servings)

159 calories; 11 grams fat; 5 grams saturated fat; 0 grams trans fat; 4 grams monounsaturated fat; 1 gram polyunsaturated fat; 5 grams carbohydrates; 1 gram dietary fiber; 2 grams sugars; 11 grams protein; 384 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    Heat oven to 375 degrees. Oil a 2-quart baking dish or gratin.

  2. Step 2

    Blanch chard: Bring a large pot of water to a boil while you stem and wash the chard leaves. When the water comes to a boil, salt generously and add chard leaves. (Set aside stems for another use, or discard.) Blanch 1 to 2 minutes, until tender but still bright. Transfer to a bowl of cold water, then drain thoroughly and squeeze out excess water; chop medium-fine.

  3. Step 3

    Heat 1 tablespoon olive oil in a medium skillet and add garlic. Cook, stirring, until fragrant, 30 seconds to a minute, then stir in rosemary, thyme and chopped blanched chard. Season with salt and pepper and stir over medium heat until chard is nicely coated with oil, about 1 minute. Remove from heat.

  4. Step 4

    In a large bowl, beat together eggs, milk and ½ teaspoon salt. Stir in chard mixture and Gruyère. Stir in corn and mix well. Scrape into prepared baking dish. Sprinkle Parmesan over top and drizzle with olive oil.

  5. Step 5

    Bake 35 to 40 minutes, until nicely browned on the top and sides. Allow to sit for at least 10 minutes before serving.

Tip
  • Blanched chard and cooked corn will keep up to 4 days in the refrigerator, and cooked gratin will keep for 3 to 4 days.

Ratings

5 out of 5
1,567 user ratings
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Private Notes

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Cooking Notes

I hate this dish. I made it for my ex boyfriend and he left me again. He said it was too salty and he didn't like my parents.

Yes, eggs, milk and cheese are healthy and nutritious foods. They should not be the exclusive foods in anyone's diet, and they should be eaten in moderation with a broad spectrum of other healthful ingredients. This recipe is an excellent example of that. I would add, moderating your need to police other people's food choices is another healthy practice.

I started blanching, then read the notes. End product used half/half with no discernible difference. Don't blanch! Didn't cook the corn--it was fine. I added an extra egg, and a little cayenne and paprika. Also added more cheese (because who doesn't want more cheese). I thought this was a delicious dish that I am happy to eat hot, cold, or room temp. Choose the right baking dish so the finished product doesn't look sparse. I will make this again, and I will try it with spinach. It's a winner!

Chard stems are excellent grilled or pan-roasted - treat them like a colorful asparagus.

You don't have to blanch the corn. I first developed the recipe with leftover cooked corn on the cob, but it will work either way.

Delicious, although I made a few adjustments. Skipped blanching the chard (just sautéed with garlic etc.), and included the stems; added half an onion at the sauté stage; used an extra ear of corn; upped eggs to 4; and added 1/8 t of nutmeg. Like others I didn't cook the corn first.

This is delicious, nutritious, and quick. Pretty thrifty, too. I used leftover chard already cooked with its stems and garlic and squeezed dry by the handful. I used raw, fresh corn kernels cut off the cob. I used dried herbs. The rest I followed as written. Fabulous, really! Still pretty darn fine two days later warmed up for lunch. Taciturn men at the table became voluble with praise.

I I had some small leeks, so I used about 2 cups, chopped, along with the other vegetables as specified. Very nice.

Also, saute all the veggies in one pan: start with leeks, then add garlic, then corn, then greens. No need to use more than one pot.

I will NEVER understand why so very many recipes tell you to "save stems for another use or discard". For me, the stems are what make Swiss Chard - the leaves alone don't do it for me. Except for recipes that require you to use the leaves as wrappers, there's no plausible reason at all why the finely-sliced & blanched stems can't be used in any chard recipe - this one included.

Delicious. Changes I made: dried thyme, 6 eggs, 1 cup milk, 8 oz cheddar, frozen corn (10 oz bag); skipped step 2; sautéed the chard stems (chopped) with the garlic for a few minutes then added herbs and chopped chard (and more garlic) to cook for several more minutes; lastly, I did not add olive oil at the end (but I did use more at the beginning). Cooked for about 45 minutes (I will try 3/4 cup milk next time to shorten the "set" in the middle). Will definitely make this again.

I thought this was great. I was glad for those who preceeded me in making this, since they helped simplify the recipe. I didn't blanch the chard, sauteed the stems with onion at the beginning, then added the uncooked corn and chard and satueed that a bit before mixing everything else together. I left some of the gruyere to put on top of the dish. I would make this again, it is a very flexible dish!

@cp, that's ridiculous. The chard is getting cooked for forty minutes in the oven no matter what you do. The color isn't going to be bright and healthy because you pre-cooked it in some water beforehand. And how on earth blanching, let alone any cooking by any method, prevents non-porous greens from "absorbing" oil is beyond me.

Blanching is important to retain nutrients and maintain that great, healthy color. It also prevents the vegetables from absorbing too much oil.

This is so much better and nutritious than platitudinous scalloped corn. It's sweet corn season, so have a ball.

However, if you make this in the winter or over the holidays, try Trader Joe's frozen sweet corn. It's good quality and easy to use.

Thought for Say, what: I think what Martha Rose Shulman is doing is taking a recipe for a gratin that would normally have more eggs, more cheese and maybe cream, and making it healthier. Not eliminating everything but making a healthier version of a standard. For more about this, see her post on "Getting Good With Gratins" online, which really explains it. In this version of her standard one, she substitutes corn for rice. And if she suggests a technique to reduce oil, I would do it.

This is *swear word* delicious. Fresh sweet corn off the cob, and kale instead of chard. There were no survivors, er...leftovers.

I realized at the last minute that I had no corn, so I substituted rice. A slightly different dish,but good,nonetheless. Also added some chopped scallion with the fresh herbs.

Made with chard from the garden to accompany pork butt cooked on the EGG. Levi liked it, I thought it was meh.

Outstanding. I can’t stop eating it. The corn adds a sweetness that makes it so good. My local store didn’t have Gruyère so I bought shredded Gouda. Otherwise followed the instructions as-is. Added 1 tsp of salt to the egg mixture and 4 eggs instead of 3. A delicious, creamy, rich dish that you could add all kinds of vegetables to.

I basically followed the recipe and it was a hit at my ladies brunch. Changes: Used a combo of chard, kale and beet greens (in my garden now); skipped blanching (why?); added an extra egg (rec of cooks here); used mozzarella and cheddar (what I have on hand) and frozen corn (ditto). Next time I’ll use half feta, half mozzarella and add sausage for a heartier dish. It’s really a frittata in casserole form and I’m sure I can riff on this with what’s on hand.

Delicious! I used chard and other greens from my garden. I sautéed all greens to simplify and no taste difference in my opinion. Used cheddar but will buy Gruyère next time as I will definitely make again.

Good as a side dish. Added red pepper flakes to oomph it up. Would make again.

Delicious! I did sauté the chard stems with the garlic because I knew I wouldn’t use them if I saved them, and I didn’t want to throw them away. Hubby and I could barely stop eating it. I’ll definitely make this again.

I substituted baby spinach, which is what I had, and used dry herbs instead of fresh (also what I had). It was delicious and the sweet corn adds gorgeous texture. This is an excellent go-to gratin recipe that I think would work well with any number of veggies as long as you get rid of any excess water (i.e. zucchini, tomato, etc.).

Made this with kale and many times more cheese than the recipe calls for (maybe 5 ounces). No blanching - just sautéed kale with garlic and put it all in the oven. Very easy weeknight meal and my toddler - who has recently been protesting anything new and/or involving vegetables - devoured it.

I caramelized the chard stems along with a shallot, didn’t blanch the chard, added sun dried tomatoes, used Gouda instead of Gruyère. And the extra egg. So tasty.

This was very good. Used 3 cobs instead of 2, and added in the corn uncooked (it was perfect and still crunchy after the bake). Like others, I skipped the blanching and added the chopped chard stems. Next time, I will fry some good smoky bacon and drain most of the fat before adding the garlic and chard — bacon would be perfect in this dish, which is almost more like a crustless quiche.

SAUTÉ one half a large onion before adding the garlic Purée the greens in batches, if stems are tough remove them. Used a mix of spinach, kale from the garden Add the purée when it says to add the greens to the stir fry mix It was a bit moist so added an extra egg (likely due to puréing the greens) Delicious

Made about 2/3rds, with the following measurements—and tasty results! Baked in 1.5qt Pyrex. 12oz chard 2 cloves garlic 1 heaping t fresh rosemary 1 heaping T fresh oregano 2 eggs 1/3c oat milk 2oz aged cheddar scant c frozen corn 1t Diamond Crystal kosher salt in step 4

I made this dish as directed, but used cheddar cheese and it was absolutely delicious. Even a supremely picky food eater really liked it. A definite keeper.

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